ADulay,
there are 3 things that can happen if you observe a string of results:
a single event - Black Red Red (the black is a single event aka one single)
a double event - Black Red Red Black ( Red Red is a double event aka a series of 2)
a triple event or bigger - Black Red Red Red Red Black (Red Red Red Red is a triple event or bigger aka series of 3 or superior)
there are 3 things that can happen if you observe a string of results:
a single event - Black Red Red (the black is a single event aka one single)
a double event - Black Red Red Black ( Red Red is a double event aka a series of 2)
a triple event or bigger - Black Red Red Red Red Black (Red Red Red Red is a triple event or bigger aka series of 3 or superior)